Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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DZ/T 0168-1997 Gravity meter environment test conditions and methods $90.00 via email in 1~3 business day valid
GB/T 22563-2008 All grades of fluorspar - Determination of moisture content of a lot $70.00 via email in 1~3 business day valid
GB/T 22564-2008 Fluorspar - Sampling and sample preparation $280.00 via email in 1~5 business day valid
GB/T 31311-2014 Metallurgical-grade fluorspar―Determination of lead content―Solvent extraction atomic absorption spectrometric method $160.00 via email in 1~3 business day valid
GB/T 31312-2014 Metallurgical grade fluorspar―Determination of antimony content―Solvent extraction atomic absorption spectrometric method $160.00 via email in 1~3 business day valid
GB/T 31313-2014 Fluorspar―Determination of particle size distribution by sieving $220.00 via email in 1~3 business day valid
GB/T 32549-2016 Fluorspar―Experimental methods for evaluation of quality variation $220.00 via email in 1~3 business day valid
GB/T 32551-2016 Fluorspar powder in bulk―Determination of transportable moisture limits―Flow-table method $220.00 via email in 1~3 business day valid
GB/T 32553-2016 Fluorspar―Method of determining the precision of sampling and sample preparation $200.00 via email in 1~3 business day valid
GB/T 32554-2016 Fluorspar―Experimental methods for checking the bias of sampling and sample preparation $220.00 via email in 1~3 business day valid
GB/T 3286.1-2012 Methods for chemical analysis of limestone and dolomite - Part 1: The determination of calcium oxide and magnesium oxide content - The complexometric titration method and the flame atomic absorption spectrometric method $150.00 immediately valid
GB/T 3286.10-2020 Methods for chemical analysis of limestone and dolornite—Part 10:Determination of titanium dioxide content—Diantipyrylmethane spectrophotometric method $165.00 via email in 1~3 business day valid
GB/T 3286.11-1993 Methods for chemical analysis of limestone and delo-mite The flame atomic absorption spectrometric methodfor the determination of magnesium and iron content $220.00 via email in 1~3 business day superseded
GB/T 3286.11-2022 Methods for chemical analysis of limestone and dolomite—Part 11: Determination of calcium oxide, magnesium oxide, silicon dioxide, aluminium oxide and iron oxide content—Wavelength dispersive X-ray fluorescence spectrometry (Fused cast bead method) $270.00 via email in 1~3 business day valid
GB/T 3286.12-2023 Methods for chemical analysis of limestone and dolornite—Part 12：Determination of potassium oxide and sodium oxide contents—Flame atomic absorption spectrometry method $225.00 via email in 1~3 business day valid
GB/T 3286.15-1993 Methods for chemical analysis of limestone and delo-mite The combustion-potassium iodabe titration methodfor the determination of sulphur content $180.00 via email in 1~3 business day valid
GB/T 3286.2-2012 Methods for chemical analysis of limestone and dolomite - Part 2: The determination of silicon dioxide content - The silicomolybdic blue spectrophotometric method and the perchloric acid dehydration gravimetric method $190.00 via email in 1~3 business day valid
GB/T 3286.3-2012 Methods for chemical analysis of limestone and dolomite - Part 3: The determination of aluminium oxide content - The chrome azurol S spectrophotometric method and the complexometric titration method $210.00 via email in 1~3 business day valid
GB/T 3286.4-2012 Methods for chemical analysis of limestone and dolomite - Part 4: The determination of iron oxide content - The o-phenanthroline spectrophotometric method and the flame atomic absorption spectrometric method $190.00 via email in 1~3 business day valid
GB/T 3286.5-1998 Chemical analysis of limestone and dolomite－The EDTA volumetric method for determination of alumimium oxide $90.00 via email in 1~3 business day superseded
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